ever. there have also been u.s. helicopters targeting militants in pakistan. three strikes this month. also a record. the news of the increased threat from pakistan and the stepped-up drone attacks, comes as "obama's wars" shakes up from the pentagon to kabul. bob woodward describing intense white house sessions last fall, pitting president obama against his military leadership. with the war in afghanistan getting worse by the day, the president wanted a number of options on the table, before deciding on a new strategy. but author, bob woodward, told diane sawyer, mr. obama was getting only one option from the military leaders. committing at least 40,000 troops. >> at one of the meetings, if i can quote him directly, he says, i'm pissed. and he is. they keep coming back about details. >> reporter: finally, the president grew so frustrated, he sat down and dictated a six-page document, defining the military mission. a mission he said required significantly fewer troops than the 40,000 minimum the military wanted. >> i have determined that it is in our vital national interest, to send a